Gravity can be a grueling taskmaster. Anyone who’s walked up a dozen flights of stairs knows this. Getting into space is that much harder. It takes hundreds of thousands of pounds of thrust and over half a million gallons of …

Imagine rockets so small you could fit them through a piggybank slot. Imagine those rockets jetting microscopic beams of ions drawn from a reservoir of liquid plasma. Now imagine — or don’t, because they’re not imaginary — that …

The Hall of Presidents is about to get a whole lot creepier, at least if Disney’s researchers get their way. That’s because they’re “face cloning” people at a lab in Zurich in order to create the most realistic animatronic …